228215403

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 385398000

約数和(自身を除く): 157182597

約数列:

[1, 3, 9, 13, 19, 39, 53, 57, 117, 149, 159, 169, 171, 247, 447, 477, 507, 689, 741, 1007, 1341, 1521, 1937, 2067, 2223, 2831, 3021, 3211, 5811, 6201, 7897, 8493, 8957, 9063, 9633, 13091, 17433, 23691, 25181, 25479, 26871, 28899, 36803, 39273, 71073, 75543, 80613, 102661, 110409, 117819, 150043, 170183, 226629, 307983, 331227, 450129, 478439, 510549, 923949, 1334593, 1350387, 1435317, 1531647, 1950559, 4003779, 4305951, 5851677, 12011337, 17555031, 25357267, 76071801, 228215403]

約数ペア:

[(1, 228215403), (3, 76071801), (9, 25357267), (13, 17555031), (19, 12011337), (39, 5851677), (53, 4305951), (57, 4003779), (117, 1950559), (149, 1531647), (159, 1435317), (169, 1350387), (171, 1334593), (247, 923949), (447, 510549), (477, 478439), (507, 450129), (689, 331227), (741, 307983), (1007, 226629), (1341, 170183), (1521, 150043), (1937, 117819), (2067, 110409), (2223, 102661), (2831, 80613), (3021, 75543), (3211, 71073), (5811, 39273), (6201, 36803), (7897, 28899), (8493, 26871), (8957, 25479), (9063, 25181), (9633, 23691), (13091, 17433)]