55338507

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{557}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 97493760

約数和(自身を除く): 42155253

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 83, 133, 171, 249, 399, 557, 581, 747, 1197, 1577, 1671, 1743, 3899, 4731, 5013, 5229, 10583, 11039, 11697, 14193, 31749, 33117, 35091, 46231, 74081, 95247, 99351, 138693, 222243, 323617, 416079, 666729, 878389, 970851, 2635167, 2912553, 6148723, 7905501, 18446169, 55338507]

約数ペア:

[(1, 55338507), (3, 18446169), (7, 7905501), (9, 6148723), (19, 2912553), (21, 2635167), (57, 970851), (63, 878389), (83, 666729), (133, 416079), (171, 323617), (249, 222243), (399, 138693), (557, 99351), (581, 95247), (747, 74081), (1197, 46231), (1577, 35091), (1671, 33117), (1743, 31749), (3899, 14193), (4731, 11697), (5013, 11039), (5229, 10583)]