68135985

素因数分解:

$3^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:127

約数の個数: 72

約数和(自身を含む): 128484096

約数和(自身を除く): 60348111

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 67, 81, 93, 135, 155, 201, 243, 279, 335, 405, 465, 603, 729, 837, 1005, 1215, 1395, 1809, 2077, 2187, 2511, 3015, 3645, 4185, 5427, 6231, 6561, 7533, 9045, 10385, 10935, 12555, 16281, 18693, 22599, 27135, 31155, 32805, 37665, 48843, 56079, 67797, 81405, 93465, 112995, 146529, 168237, 203391, 244215, 280395, 338985, 439587, 504711, 732645, 841185, 1016955, 1514133, 2197935, 2523555, 4542399, 7570665, 13627197, 22711995, 68135985]

約数ペア:

[(1, 68135985), (3, 22711995), (5, 13627197), (9, 7570665), (15, 4542399), (27, 2523555), (31, 2197935), (45, 1514133), (67, 1016955), (81, 841185), (93, 732645), (135, 504711), (155, 439587), (201, 338985), (243, 280395), (279, 244215), (335, 203391), (405, 168237), (465, 146529), (603, 112995), (729, 93465), (837, 81405), (1005, 67797), (1215, 56079), (1395, 48843), (1809, 37665), (2077, 32805), (2187, 31155), (2511, 27135), (3015, 22599), (3645, 18693), (4185, 16281), (5427, 12555), (6231, 10935), (6561, 10385), (7533, 9045)]