30513987

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{6131}}^1$

素因数の和:6223

約数の個数: 24

約数和(自身を含む): 51018240

約数和(自身を除く): 20504253

約数列:

[1, 3, 7, 9, 21, 63, 79, 237, 553, 711, 1659, 4977, 6131, 18393, 42917, 55179, 128751, 386253, 484349, 1453047, 3390443, 4359141, 10171329, 30513987]

約数ペア:

[(1, 30513987), (3, 10171329), (7, 4359141), (9, 3390443), (21, 1453047), (63, 484349), (79, 386253), (237, 128751), (553, 55179), (711, 42917), (1659, 18393), (4977, 6131)]