16868295

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 31231200

約数和(自身を除く): 14362905

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 109, 171, 181, 285, 327, 543, 545, 855, 905, 981, 1629, 1635, 2071, 2715, 3439, 4905, 6213, 8145, 10317, 10355, 17195, 18639, 19729, 30951, 31065, 51585, 59187, 93195, 98645, 154755, 177561, 295935, 374851, 887805, 1124553, 1874255, 3373659, 5622765, 16868295]

約数ペア:

[(1, 16868295), (3, 5622765), (5, 3373659), (9, 1874255), (15, 1124553), (19, 887805), (45, 374851), (57, 295935), (95, 177561), (109, 154755), (171, 98645), (181, 93195), (285, 59187), (327, 51585), (543, 31065), (545, 30951), (855, 19729), (905, 18639), (981, 17195), (1629, 10355), (1635, 10317), (2071, 8145), (2715, 6213), (3439, 4905)]