28616475

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 49996800

約数和(自身を除く): 21380325

約数列:

[1, 3, 5, 15, 25, 29, 59, 75, 87, 145, 177, 223, 295, 435, 669, 725, 885, 1115, 1475, 1711, 2175, 3345, 4425, 5133, 5575, 6467, 8555, 13157, 16725, 19401, 25665, 32335, 39471, 42775, 65785, 97005, 128325, 161675, 197355, 328925, 381553, 485025, 986775, 1144659, 1907765, 5723295, 9538825, 28616475]

約数ペア:

[(1, 28616475), (3, 9538825), (5, 5723295), (15, 1907765), (25, 1144659), (29, 986775), (59, 485025), (75, 381553), (87, 328925), (145, 197355), (177, 161675), (223, 128325), (295, 97005), (435, 65785), (669, 42775), (725, 39471), (885, 32335), (1115, 25665), (1475, 19401), (1711, 16725), (2175, 13157), (3345, 8555), (4425, 6467), (5133, 5575)]