279259905

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:366

約数の個数: 64

約数和(自身を含む): 485388288

約数和(自身を除く): 206128383

約数列:

[1, 3, 5, 15, 23, 37, 69, 111, 115, 131, 167, 185, 345, 393, 501, 555, 655, 835, 851, 1965, 2505, 2553, 3013, 3841, 4255, 4847, 6179, 9039, 11523, 12765, 14541, 15065, 18537, 19205, 21877, 24235, 30895, 45195, 57615, 65631, 72705, 92685, 109385, 111481, 142117, 328155, 334443, 426351, 503171, 557405, 710585, 809449, 1509513, 1672215, 2131755, 2428347, 2515855, 4047245, 7547565, 12141735, 18617327, 55851981, 93086635, 279259905]

約数ペア:

[(1, 279259905), (3, 93086635), (5, 55851981), (15, 18617327), (23, 12141735), (37, 7547565), (69, 4047245), (111, 2515855), (115, 2428347), (131, 2131755), (167, 1672215), (185, 1509513), (345, 809449), (393, 710585), (501, 557405), (555, 503171), (655, 426351), (835, 334443), (851, 328155), (1965, 142117), (2505, 111481), (2553, 109385), (3013, 92685), (3841, 72705), (4255, 65631), (4847, 57615), (6179, 45195), (9039, 30895), (11523, 24235), (12765, 21877), (14541, 19205), (15065, 18537)]