78442875

素因数分解:

$3^2\times 5^3\times 7^2\times {\mathrm{1423}}^1$

素因数の和:1458

約数の個数: 72

約数和(自身を含む): 164608704

約数和(自身を除く): 86165829

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 49, 63, 75, 105, 125, 147, 175, 225, 245, 315, 375, 441, 525, 735, 875, 1125, 1225, 1423, 1575, 2205, 2625, 3675, 4269, 6125, 7115, 7875, 9961, 11025, 12807, 18375, 21345, 29883, 35575, 49805, 55125, 64035, 69727, 89649, 106725, 149415, 177875, 209181, 249025, 320175, 348635, 448245, 533625, 627543, 747075, 1045905, 1245125, 1600875, 1743175, 2241225, 3137715, 3735375, 5229525, 8715875, 11206125, 15688575, 26147625, 78442875]

約数ペア:

[(1, 78442875), (3, 26147625), (5, 15688575), (7, 11206125), (9, 8715875), (15, 5229525), (21, 3735375), (25, 3137715), (35, 2241225), (45, 1743175), (49, 1600875), (63, 1245125), (75, 1045905), (105, 747075), (125, 627543), (147, 533625), (175, 448245), (225, 348635), (245, 320175), (315, 249025), (375, 209181), (441, 177875), (525, 149415), (735, 106725), (875, 89649), (1125, 69727), (1225, 64035), (1423, 55125), (1575, 49805), (2205, 35575), (2625, 29883), (3675, 21345), (4269, 18375), (6125, 12807), (7115, 11025), (7875, 9961)]