216221625

素因数分解:

$3^2\times 5^3\times {\mathrm{71}}^1\times {\mathrm{2707}}^1$

素因数の和:2799

約数の個数: 48

約数和(自身を含む): 395411328

約数和(自身を除く): 179189703

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 75, 125, 213, 225, 355, 375, 639, 1065, 1125, 1775, 2707, 3195, 5325, 8121, 8875, 13535, 15975, 24363, 26625, 40605, 67675, 79875, 121815, 192197, 203025, 338375, 576591, 609075, 960985, 1015125, 1729773, 2882955, 3045375, 4804925, 8648865, 14414775, 24024625, 43244325, 72073875, 216221625]

約数ペア:

[(1, 216221625), (3, 72073875), (5, 43244325), (9, 24024625), (15, 14414775), (25, 8648865), (45, 4804925), (71, 3045375), (75, 2882955), (125, 1729773), (213, 1015125), (225, 960985), (355, 609075), (375, 576591), (639, 338375), (1065, 203025), (1125, 192197), (1775, 121815), (2707, 79875), (3195, 67675), (5325, 40605), (8121, 26625), (8875, 24363), (13535, 15975)]