31160475

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:269

約数の個数: 72

約数和(自身を含む): 60643440

約数和(自身を除く): 29482965

約数列:

[1, 3, 5, 9, 15, 19, 25, 37, 45, 57, 75, 95, 111, 171, 185, 197, 225, 285, 333, 475, 555, 591, 703, 855, 925, 985, 1425, 1665, 1773, 2109, 2775, 2955, 3515, 3743, 4275, 4925, 6327, 7289, 8325, 8865, 10545, 11229, 14775, 17575, 18715, 21867, 31635, 33687, 36445, 44325, 52725, 56145, 65601, 93575, 109335, 138491, 158175, 168435, 182225, 280725, 328005, 415473, 546675, 692455, 842175, 1246419, 1640025, 2077365, 3462275, 6232095, 10386825, 31160475]

約数ペア:

[(1, 31160475), (3, 10386825), (5, 6232095), (9, 3462275), (15, 2077365), (19, 1640025), (25, 1246419), (37, 842175), (45, 692455), (57, 546675), (75, 415473), (95, 328005), (111, 280725), (171, 182225), (185, 168435), (197, 158175), (225, 138491), (285, 109335), (333, 93575), (475, 65601), (555, 56145), (591, 52725), (703, 44325), (855, 36445), (925, 33687), (985, 31635), (1425, 21867), (1665, 18715), (1773, 17575), (2109, 14775), (2775, 11229), (2955, 10545), (3515, 8865), (3743, 8325), (4275, 7289), (4925, 6327)]