240689169

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^3\times {\mathrm{557}}^1$

素因数の和:627

約数の個数: 48

約数和(自身を含む): 420151680

約数和(自身を除く): 179462511

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 361, 399, 557, 1083, 1197, 1671, 2527, 3249, 3899, 5013, 6859, 7581, 10583, 11697, 20577, 22743, 31749, 35091, 48013, 61731, 74081, 95247, 144039, 201077, 222243, 432117, 603231, 666729, 1407539, 1809693, 3820463, 4222617, 11461389, 12667851, 26743241, 34384167, 80229723, 240689169]

約数ペア:

[(1, 240689169), (3, 80229723), (7, 34384167), (9, 26743241), (19, 12667851), (21, 11461389), (57, 4222617), (63, 3820463), (133, 1809693), (171, 1407539), (361, 666729), (399, 603231), (557, 432117), (1083, 222243), (1197, 201077), (1671, 144039), (2527, 95247), (3249, 74081), (3899, 61731), (5013, 48013), (6859, 35091), (7581, 31749), (10583, 22743), (11697, 20577)]