213540795

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{653}}^1$

素因数の和:733

約数の個数: 72

約数和(自身を含む): 410748624

約数和(自身を除く): 197207829

約数列:

[1, 3, 5, 9, 13, 15, 39, 43, 45, 65, 117, 129, 169, 195, 215, 387, 507, 559, 585, 645, 653, 845, 1521, 1677, 1935, 1959, 2535, 2795, 3265, 5031, 5877, 7267, 7605, 8385, 8489, 9795, 21801, 25155, 25467, 28079, 29385, 36335, 42445, 65403, 76401, 84237, 109005, 110357, 127335, 140395, 252711, 327015, 331071, 365027, 382005, 421185, 551785, 993213, 1095081, 1263555, 1655355, 1825135, 3285243, 4745351, 4966065, 5475405, 14236053, 16426215, 23726755, 42708159, 71180265, 213540795]

約数ペア:

[(1, 213540795), (3, 71180265), (5, 42708159), (9, 23726755), (13, 16426215), (15, 14236053), (39, 5475405), (43, 4966065), (45, 4745351), (65, 3285243), (117, 1825135), (129, 1655355), (169, 1263555), (195, 1095081), (215, 993213), (387, 551785), (507, 421185), (559, 382005), (585, 365027), (645, 331071), (653, 327015), (845, 252711), (1521, 140395), (1677, 127335), (1935, 110357), (1959, 109005), (2535, 84237), (2795, 76401), (3265, 65403), (5031, 42445), (5877, 36335), (7267, 29385), (7605, 28079), (8385, 25467), (8489, 25155), (9795, 21801)]