28919925

素因数分解:

$3^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{1627}}^1$

素因数の和:1722

約数の個数: 36

約数和(自身を含む): 52486720

約数和(自身を除く): 23566795

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 79, 225, 237, 395, 711, 1185, 1627, 1975, 3555, 4881, 5925, 8135, 14643, 17775, 24405, 40675, 73215, 122025, 128533, 366075, 385599, 642665, 1156797, 1927995, 3213325, 5783985, 9639975, 28919925]

約数ペア:

[(1, 28919925), (3, 9639975), (5, 5783985), (9, 3213325), (15, 1927995), (25, 1156797), (45, 642665), (75, 385599), (79, 366075), (225, 128533), (237, 122025), (395, 73215), (711, 40675), (1185, 24405), (1627, 17775), (1975, 14643), (3555, 8135), (4881, 5925)]