16804521975

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{2693}}^1$

素因数の和:2905

約数の個数: 96

約数和(自身を含む): 30465907200

約数和(自身を除く): 13661385225

約数列:

[1, 3, 5, 15, 19, 25, 29, 57, 75, 87, 95, 145, 151, 285, 435, 453, 475, 551, 725, 755, 1425, 1653, 2175, 2265, 2693, 2755, 2869, 3775, 4379, 8079, 8265, 8607, 11325, 13137, 13465, 13775, 14345, 21895, 40395, 41325, 43035, 51167, 65685, 67325, 71725, 78097, 83201, 109475, 153501, 201975, 215175, 234291, 249603, 255835, 328425, 390485, 406643, 416005, 767505, 1171455, 1219929, 1248015, 1279175, 1483843, 1952425, 2033215, 2080025, 3837525, 4451529, 5857275, 6099645, 6240075, 7419215, 7726217, 10166075, 11792647, 22257645, 23178651, 30498225, 35377941, 37096075, 38631085, 58963235, 111288225, 115893255, 176889705, 193155425, 224060293, 294816175, 579466275, 672180879, 884448525, 1120301465, 3360904395, 5601507325, 16804521975]

約数ペア:

[(1, 16804521975), (3, 5601507325), (5, 3360904395), (15, 1120301465), (19, 884448525), (25, 672180879), (29, 579466275), (57, 294816175), (75, 224060293), (87, 193155425), (95, 176889705), (145, 115893255), (151, 111288225), (285, 58963235), (435, 38631085), (453, 37096075), (475, 35377941), (551, 30498225), (725, 23178651), (755, 22257645), (1425, 11792647), (1653, 10166075), (2175, 7726217), (2265, 7419215), (2693, 6240075), (2755, 6099645), (2869, 5857275), (3775, 4451529), (4379, 3837525), (8079, 2080025), (8265, 2033215), (8607, 1952425), (11325, 1483843), (13137, 1279175), (13465, 1248015), (13775, 1219929), (14345, 1171455), (21895, 767505), (40395, 416005), (41325, 406643), (43035, 390485), (51167, 328425), (65685, 255835), (67325, 249603), (71725, 234291), (78097, 215175), (83201, 201975), (109475, 153501)]