27161925

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:435

約数の個数: 72

約数和(自身を含む): 55130400

約数和(自身を除く): 27968475

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 49, 57, 75, 95, 105, 133, 147, 175, 245, 285, 389, 399, 475, 525, 665, 735, 931, 1167, 1225, 1425, 1945, 1995, 2723, 2793, 3325, 3675, 4655, 5835, 7391, 8169, 9725, 9975, 13615, 13965, 19061, 22173, 23275, 29175, 36955, 40845, 51737, 57183, 68075, 69825, 95305, 110865, 155211, 184775, 204225, 258685, 285915, 362159, 476525, 554325, 776055, 1086477, 1293425, 1429575, 1810795, 3880275, 5432385, 9053975, 27161925]

約数ペア:

[(1, 27161925), (3, 9053975), (5, 5432385), (7, 3880275), (15, 1810795), (19, 1429575), (21, 1293425), (25, 1086477), (35, 776055), (49, 554325), (57, 476525), (75, 362159), (95, 285915), (105, 258685), (133, 204225), (147, 184775), (175, 155211), (245, 110865), (285, 95305), (389, 69825), (399, 68075), (475, 57183), (525, 51737), (665, 40845), (735, 36955), (931, 29175), (1167, 23275), (1225, 22173), (1425, 19061), (1945, 13965), (1995, 13615), (2723, 9975), (2793, 9725), (3325, 8169), (3675, 7391), (4655, 5835)]