31815465

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:218

約数の個数: 64

約数和(自身を含む): 58924800

約数和(自身を除く): 27109335

約数列:

[1, 3, 5, 11, 15, 29, 33, 55, 61, 87, 109, 145, 165, 183, 305, 319, 327, 435, 545, 671, 915, 957, 1199, 1595, 1635, 1769, 2013, 3161, 3355, 3597, 4785, 5307, 5995, 6649, 8845, 9483, 10065, 15805, 17985, 19459, 19947, 26535, 33245, 34771, 47415, 58377, 73139, 97295, 99735, 104313, 173855, 192821, 219417, 291885, 365695, 521565, 578463, 964105, 1097085, 2121031, 2892315, 6363093, 10605155, 31815465]

約数ペア:

[(1, 31815465), (3, 10605155), (5, 6363093), (11, 2892315), (15, 2121031), (29, 1097085), (33, 964105), (55, 578463), (61, 521565), (87, 365695), (109, 291885), (145, 219417), (165, 192821), (183, 173855), (305, 104313), (319, 99735), (327, 97295), (435, 73139), (545, 58377), (671, 47415), (915, 34771), (957, 33245), (1199, 26535), (1595, 19947), (1635, 19459), (1769, 17985), (2013, 15805), (3161, 10065), (3355, 9483), (3597, 8845), (4785, 6649), (5307, 5995)]