31380228

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{727}}^1$

素因数の和:857

約数の個数: 72

約数和(自身を含む): 87447360

約数和(自身を除く): 56067132

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 109, 132, 198, 218, 327, 396, 436, 654, 727, 981, 1199, 1308, 1454, 1962, 2181, 2398, 2908, 3597, 3924, 4362, 4796, 6543, 7194, 7997, 8724, 10791, 13086, 14388, 15994, 21582, 23991, 26172, 31988, 43164, 47982, 71973, 79243, 95964, 143946, 158486, 237729, 287892, 316972, 475458, 713187, 871673, 950916, 1426374, 1743346, 2615019, 2852748, 3486692, 5230038, 7845057, 10460076, 15690114, 31380228]

約数ペア:

[(1, 31380228), (2, 15690114), (3, 10460076), (4, 7845057), (6, 5230038), (9, 3486692), (11, 2852748), (12, 2615019), (18, 1743346), (22, 1426374), (33, 950916), (36, 871673), (44, 713187), (66, 475458), (99, 316972), (109, 287892), (132, 237729), (198, 158486), (218, 143946), (327, 95964), (396, 79243), (436, 71973), (654, 47982), (727, 43164), (981, 31988), (1199, 26172), (1308, 23991), (1454, 21582), (1962, 15994), (2181, 14388), (2398, 13086), (2908, 10791), (3597, 8724), (3924, 7997), (4362, 7194), (4796, 6543)]