39918645

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:247

約数の個数: 72

約数和(自身を含む): 77936040

約数和(自身を除く): 38017395

約数列:

[1, 3, 5, 9, 13, 15, 29, 39, 45, 65, 87, 117, 145, 169, 181, 195, 261, 377, 435, 507, 543, 585, 845, 905, 1131, 1305, 1521, 1629, 1885, 2353, 2535, 2715, 3393, 4901, 5249, 5655, 7059, 7605, 8145, 11765, 14703, 15747, 16965, 21177, 24505, 26245, 30589, 35295, 44109, 47241, 68237, 73515, 78735, 91767, 105885, 152945, 204711, 220545, 236205, 275301, 341185, 458835, 614133, 887081, 1023555, 1376505, 2661243, 3070665, 4435405, 7983729, 13306215, 39918645]

約数ペア:

[(1, 39918645), (3, 13306215), (5, 7983729), (9, 4435405), (13, 3070665), (15, 2661243), (29, 1376505), (39, 1023555), (45, 887081), (65, 614133), (87, 458835), (117, 341185), (145, 275301), (169, 236205), (181, 220545), (195, 204711), (261, 152945), (377, 105885), (435, 91767), (507, 78735), (543, 73515), (585, 68237), (845, 47241), (905, 44109), (1131, 35295), (1305, 30589), (1521, 26245), (1629, 24505), (1885, 21177), (2353, 16965), (2535, 15747), (2715, 14703), (3393, 11765), (4901, 8145), (5249, 7605), (5655, 7059)]