23557815

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{467}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 43804800

約数和(自身を除く): 20246985

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 59, 95, 171, 177, 285, 295, 467, 531, 855, 885, 1121, 1401, 2335, 2655, 3363, 4203, 5605, 7005, 8873, 10089, 16815, 21015, 26619, 27553, 44365, 50445, 79857, 82659, 133095, 137765, 247977, 399285, 413295, 523507, 1239885, 1570521, 2617535, 4711563, 7852605, 23557815]

約数ペア:

[(1, 23557815), (3, 7852605), (5, 4711563), (9, 2617535), (15, 1570521), (19, 1239885), (45, 523507), (57, 413295), (59, 399285), (95, 247977), (171, 137765), (177, 133095), (285, 82659), (295, 79857), (467, 50445), (531, 44365), (855, 27553), (885, 26619), (1121, 21015), (1401, 16815), (2335, 10089), (2655, 8873), (3363, 7005), (4203, 5605)]