64754361

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:155

約数の個数: 72

約数和(自身を含む): 117324480

約数和(自身を除く): 52570119

約数列:

[1, 3, 7, 9, 21, 23, 29, 63, 67, 69, 87, 161, 201, 203, 207, 261, 469, 483, 529, 603, 609, 667, 1407, 1449, 1541, 1587, 1827, 1943, 2001, 3703, 4221, 4623, 4669, 4761, 5829, 6003, 10787, 11109, 13601, 13869, 14007, 15341, 17487, 32361, 33327, 35443, 40803, 42021, 44689, 46023, 97083, 106329, 107387, 122409, 134067, 138069, 248101, 312823, 318987, 322161, 402201, 744303, 938469, 966483, 1027847, 2232909, 2815407, 3083541, 7194929, 9250623, 21584787, 64754361]

約数ペア:

[(1, 64754361), (3, 21584787), (7, 9250623), (9, 7194929), (21, 3083541), (23, 2815407), (29, 2232909), (63, 1027847), (67, 966483), (69, 938469), (87, 744303), (161, 402201), (201, 322161), (203, 318987), (207, 312823), (261, 248101), (469, 138069), (483, 134067), (529, 122409), (603, 107387), (609, 106329), (667, 97083), (1407, 46023), (1449, 44689), (1541, 42021), (1587, 40803), (1827, 35443), (1943, 33327), (2001, 32361), (3703, 17487), (4221, 15341), (4623, 14007), (4669, 13869), (4761, 13601), (5829, 11109), (6003, 10787)]