280960011

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 439171200

約数和(自身を除く): 158211189

約数列:

[1, 3, 9, 19, 57, 67, 137, 171, 179, 201, 411, 537, 603, 1233, 1273, 1611, 2603, 3401, 3819, 7809, 9179, 10203, 11457, 11993, 23427, 24523, 27537, 30609, 35979, 73569, 82611, 107937, 174401, 220707, 227867, 465937, 523203, 683601, 1397811, 1569609, 1643041, 2050803, 4193433, 4929123, 14787369, 31217779, 93653337, 280960011]

約数ペア:

[(1, 280960011), (3, 93653337), (9, 31217779), (19, 14787369), (57, 4929123), (67, 4193433), (137, 2050803), (171, 1643041), (179, 1569609), (201, 1397811), (411, 683601), (537, 523203), (603, 465937), (1233, 227867), (1273, 220707), (1611, 174401), (2603, 107937), (3401, 82611), (3819, 73569), (7809, 35979), (9179, 30609), (10203, 27537), (11457, 24523), (11993, 23427)]