156986265

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{547}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 270589248

約数和(自身を除く): 113602983

約数列:

[1, 3, 5, 15, 19, 53, 57, 95, 159, 265, 285, 361, 547, 795, 1007, 1083, 1641, 1805, 2735, 3021, 5035, 5415, 8205, 10393, 15105, 19133, 28991, 31179, 51965, 57399, 86973, 95665, 144955, 155895, 197467, 286995, 434865, 550829, 592401, 987335, 1652487, 2754145, 2962005, 8262435, 10465751, 31397253, 52328755, 156986265]

約数ペア:

[(1, 156986265), (3, 52328755), (5, 31397253), (15, 10465751), (19, 8262435), (53, 2962005), (57, 2754145), (95, 1652487), (159, 987335), (265, 592401), (285, 550829), (361, 434865), (547, 286995), (795, 197467), (1007, 155895), (1083, 144955), (1641, 95665), (1805, 86973), (2735, 57399), (3021, 51965), (5035, 31179), (5415, 28991), (8205, 19133), (10393, 15105)]