223711215

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{1801}}^1$

素因数の和:1849

約数の個数: 72

約数和(自身を含む): 451119888

約数和(自身を除く): 227408673

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 49, 65, 91, 105, 147, 169, 195, 245, 273, 455, 507, 637, 735, 845, 1183, 1365, 1801, 1911, 2535, 3185, 3549, 5403, 5915, 8281, 9005, 9555, 12607, 17745, 23413, 24843, 27015, 37821, 41405, 63035, 70239, 88249, 117065, 124215, 163891, 189105, 264747, 304369, 351195, 441245, 491673, 819455, 913107, 1147237, 1323735, 1521845, 2130583, 2458365, 3441711, 4565535, 5736185, 6391749, 10652915, 14914081, 17208555, 31958745, 44742243, 74570405, 223711215]

約数ペア:

[(1, 223711215), (3, 74570405), (5, 44742243), (7, 31958745), (13, 17208555), (15, 14914081), (21, 10652915), (35, 6391749), (39, 5736185), (49, 4565535), (65, 3441711), (91, 2458365), (105, 2130583), (147, 1521845), (169, 1323735), (195, 1147237), (245, 913107), (273, 819455), (455, 491673), (507, 441245), (637, 351195), (735, 304369), (845, 264747), (1183, 189105), (1365, 163891), (1801, 124215), (1911, 117065), (2535, 88249), (3185, 70239), (3549, 63035), (5403, 41405), (5915, 37821), (8281, 27015), (9005, 24843), (9555, 23413), (12607, 17745)]