25777197

素因数分解:

$3^5\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:160

約数の個数: 48

約数和(自身を含む): 41164032

約数和(自身を除く): 15386835

約数列:

[1, 3, 9, 27, 37, 47, 61, 81, 111, 141, 183, 243, 333, 423, 549, 999, 1269, 1647, 1739, 2257, 2867, 2997, 3807, 4941, 5217, 6771, 8601, 8991, 11421, 14823, 15651, 20313, 25803, 46953, 60939, 77409, 106079, 140859, 182817, 232227, 318237, 422577, 548451, 696681, 954711, 2864133, 8592399, 25777197]

約数ペア:

[(1, 25777197), (3, 8592399), (9, 2864133), (27, 954711), (37, 696681), (47, 548451), (61, 422577), (81, 318237), (111, 232227), (141, 182817), (183, 140859), (243, 106079), (333, 77409), (423, 60939), (549, 46953), (999, 25803), (1269, 20313), (1647, 15651), (1739, 14823), (2257, 11421), (2867, 8991), (2997, 8601), (3807, 6771), (4941, 5217)]