80171925

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{443}}^1$

素因数の和:602

約数の個数: 48

約数和(自身を含む): 140943360

約数和(自身を除く): 60771435

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 127, 285, 381, 443, 475, 635, 1329, 1425, 1905, 2215, 2413, 3175, 6645, 7239, 8417, 9525, 11075, 12065, 25251, 33225, 36195, 42085, 56261, 60325, 126255, 168783, 180975, 210425, 281305, 631275, 843915, 1068959, 1406525, 3206877, 4219575, 5344795, 16034385, 26723975, 80171925]

約数ペア:

[(1, 80171925), (3, 26723975), (5, 16034385), (15, 5344795), (19, 4219575), (25, 3206877), (57, 1406525), (75, 1068959), (95, 843915), (127, 631275), (285, 281305), (381, 210425), (443, 180975), (475, 168783), (635, 126255), (1329, 60325), (1425, 56261), (1905, 42085), (2215, 36195), (2413, 33225), (3175, 25251), (6645, 12065), (7239, 11075), (8417, 9525)]