201645765

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{1303}}^1$

素因数の和:1514

約数の個数: 48

約数和(自身を含む): 370231680

約数和(自身を除く): 168585915

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 181, 285, 543, 855, 905, 1303, 1629, 2715, 3439, 3909, 6515, 8145, 10317, 11727, 17195, 19545, 24757, 30951, 51585, 58635, 74271, 123785, 154755, 222813, 235843, 371355, 707529, 1114065, 1179215, 2122587, 3537645, 4481017, 10612935, 13443051, 22405085, 40329153, 67215255, 201645765]

約数ペア:

[(1, 201645765), (3, 67215255), (5, 40329153), (9, 22405085), (15, 13443051), (19, 10612935), (45, 4481017), (57, 3537645), (95, 2122587), (171, 1179215), (181, 1114065), (285, 707529), (543, 371355), (855, 235843), (905, 222813), (1303, 154755), (1629, 123785), (2715, 74271), (3439, 58635), (3909, 51585), (6515, 30951), (8145, 24757), (10317, 19545), (11727, 17195)]