28193625

素因数分解:

$3^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{1319}}^1$

素因数の和:1359

約数の個数: 48

約数和(自身を含む): 53539200

約数和(自身を除く): 25345575

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 125, 171, 225, 285, 375, 475, 855, 1125, 1319, 1425, 2375, 3957, 4275, 6595, 7125, 11871, 19785, 21375, 25061, 32975, 59355, 75183, 98925, 125305, 164875, 225549, 296775, 375915, 494625, 626525, 1127745, 1483875, 1879575, 3132625, 5638725, 9397875, 28193625]

約数ペア:

[(1, 28193625), (3, 9397875), (5, 5638725), (9, 3132625), (15, 1879575), (19, 1483875), (25, 1127745), (45, 626525), (57, 494625), (75, 375915), (95, 296775), (125, 225549), (171, 164875), (225, 125305), (285, 98925), (375, 75183), (475, 59355), (855, 32975), (1125, 25061), (1319, 21375), (1425, 19785), (2375, 11871), (3957, 7125), (4275, 6595)]