90691218

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2389}}^1$

素因数の和:2456

約数の個数: 64

約数和(自身を含む): 217968000

約数和(自身を除く): 127276782

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 37, 38, 54, 57, 74, 111, 114, 171, 222, 333, 342, 513, 666, 703, 999, 1026, 1406, 1998, 2109, 2389, 4218, 4778, 6327, 7167, 12654, 14334, 18981, 21501, 37962, 43002, 45391, 64503, 88393, 90782, 129006, 136173, 176786, 265179, 272346, 408519, 530358, 795537, 817038, 1225557, 1591074, 1679467, 2386611, 2451114, 3358934, 4773222, 5038401, 10076802, 15115203, 30230406, 45345609, 90691218]

約数ペア:

[(1, 90691218), (2, 45345609), (3, 30230406), (6, 15115203), (9, 10076802), (18, 5038401), (19, 4773222), (27, 3358934), (37, 2451114), (38, 2386611), (54, 1679467), (57, 1591074), (74, 1225557), (111, 817038), (114, 795537), (171, 530358), (222, 408519), (333, 272346), (342, 265179), (513, 176786), (666, 136173), (703, 129006), (999, 90782), (1026, 88393), (1406, 64503), (1998, 45391), (2109, 43002), (2389, 37962), (4218, 21501), (4778, 18981), (6327, 14334), (7167, 12654)]