1388409615

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{4219}}^1$

素因数の和:4404

約数の個数: 48

約数和(自身を含む): 2464750080

約数和(自身を除く): 1076340465

約数列:

[1, 3, 5, 9, 15, 45, 71, 103, 213, 309, 355, 515, 639, 927, 1065, 1545, 3195, 4219, 4635, 7313, 12657, 21095, 21939, 36565, 37971, 63285, 65817, 109695, 189855, 299549, 329085, 434557, 898647, 1303671, 1497745, 2172785, 2695941, 3911013, 4493235, 6518355, 13479705, 19555065, 30853547, 92560641, 154267735, 277681923, 462803205, 1388409615]

約数ペア:

[(1, 1388409615), (3, 462803205), (5, 277681923), (9, 154267735), (15, 92560641), (45, 30853547), (71, 19555065), (103, 13479705), (213, 6518355), (309, 4493235), (355, 3911013), (515, 2695941), (639, 2172785), (927, 1497745), (1065, 1303671), (1545, 898647), (3195, 434557), (4219, 329085), (4635, 299549), (7313, 189855), (12657, 109695), (21095, 65817), (21939, 63285), (36565, 37971)]