138173835

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 239500800

約数和(自身を除く): 101326965

約数列:

[1, 3, 5, 15, 29, 43, 83, 87, 89, 129, 145, 215, 249, 267, 415, 435, 445, 645, 1245, 1247, 1335, 2407, 2581, 3569, 3741, 3827, 6235, 7221, 7387, 7743, 10707, 11481, 12035, 12905, 17845, 18705, 19135, 22161, 36105, 36935, 38715, 53535, 57405, 103501, 110805, 110983, 214223, 310503, 317641, 332949, 517505, 554915, 642669, 952923, 1071115, 1552515, 1588205, 1664745, 3213345, 4764615, 9211589, 27634767, 46057945, 138173835]

約数ペア:

[(1, 138173835), (3, 46057945), (5, 27634767), (15, 9211589), (29, 4764615), (43, 3213345), (83, 1664745), (87, 1588205), (89, 1552515), (129, 1071115), (145, 952923), (215, 642669), (249, 554915), (267, 517505), (415, 332949), (435, 317641), (445, 310503), (645, 214223), (1245, 110983), (1247, 110805), (1335, 103501), (2407, 57405), (2581, 53535), (3569, 38715), (3741, 36935), (3827, 36105), (6235, 22161), (7221, 19135), (7387, 18705), (7743, 17845), (10707, 12905), (11481, 12035)]