61786575

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:281

約数の個数: 72

約数和(自身を含む): 118482000

約数和(自身を除く): 56695425

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 97, 149, 171, 225, 285, 291, 447, 475, 485, 745, 855, 873, 1341, 1425, 1455, 1843, 2235, 2425, 2831, 3725, 4275, 4365, 5529, 6705, 7275, 8493, 9215, 11175, 14155, 14453, 16587, 21825, 25479, 27645, 33525, 42465, 43359, 46075, 70775, 72265, 82935, 127395, 130077, 138225, 212325, 216795, 274607, 361325, 414675, 636975, 650385, 823821, 1083975, 1373035, 2471463, 3251925, 4119105, 6865175, 12357315, 20595525, 61786575]

約数ペア:

[(1, 61786575), (3, 20595525), (5, 12357315), (9, 6865175), (15, 4119105), (19, 3251925), (25, 2471463), (45, 1373035), (57, 1083975), (75, 823821), (95, 650385), (97, 636975), (149, 414675), (171, 361325), (225, 274607), (285, 216795), (291, 212325), (447, 138225), (475, 130077), (485, 127395), (745, 82935), (855, 72265), (873, 70775), (1341, 46075), (1425, 43359), (1455, 42465), (1843, 33525), (2235, 27645), (2425, 25479), (2831, 21825), (3725, 16587), (4275, 14453), (4365, 14155), (5529, 11175), (6705, 9215), (7275, 8493)]