15961356

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{521}}^1$

素因数の和:591

約数の個数: 72

約数和(自身を含む): 43321824

約数和(自身を除く): 27360468

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 37, 46, 69, 74, 92, 111, 138, 148, 207, 222, 276, 333, 414, 444, 521, 666, 828, 851, 1042, 1332, 1563, 1702, 2084, 2553, 3126, 3404, 4689, 5106, 6252, 7659, 9378, 10212, 11983, 15318, 18756, 19277, 23966, 30636, 35949, 38554, 47932, 57831, 71898, 77108, 107847, 115662, 143796, 173493, 215694, 231324, 346986, 431388, 443371, 693972, 886742, 1330113, 1773484, 2660226, 3990339, 5320452, 7980678, 15961356]

約数ペア:

[(1, 15961356), (2, 7980678), (3, 5320452), (4, 3990339), (6, 2660226), (9, 1773484), (12, 1330113), (18, 886742), (23, 693972), (36, 443371), (37, 431388), (46, 346986), (69, 231324), (74, 215694), (92, 173493), (111, 143796), (138, 115662), (148, 107847), (207, 77108), (222, 71898), (276, 57831), (333, 47932), (414, 38554), (444, 35949), (521, 30636), (666, 23966), (828, 19277), (851, 18756), (1042, 15318), (1332, 11983), (1563, 10212), (1702, 9378), (2084, 7659), (2553, 6252), (3126, 5106), (3404, 4689)]