72939225

素因数分解:

$3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 124545600

約数和(自身を除く): 51606375

約数列:

[1, 3, 5, 15, 25, 61, 75, 107, 149, 183, 305, 321, 447, 535, 745, 915, 1525, 1605, 2235, 2675, 3725, 4575, 6527, 8025, 9089, 11175, 15943, 19581, 27267, 32635, 45445, 47829, 79715, 97905, 136335, 163175, 227225, 239145, 398575, 489525, 681675, 972523, 1195725, 2917569, 4862615, 14587845, 24313075, 72939225]

約数ペア:

[(1, 72939225), (3, 24313075), (5, 14587845), (15, 4862615), (25, 2917569), (61, 1195725), (75, 972523), (107, 681675), (149, 489525), (183, 398575), (305, 239145), (321, 227225), (447, 163175), (535, 136335), (745, 97905), (915, 79715), (1525, 47829), (1605, 45445), (2235, 32635), (2675, 27267), (3725, 19581), (4575, 15943), (6527, 11175), (8025, 9089)]