81163458

素因数分解:

$2^1\times 3^5\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:230

約数の個数: 96

約数和(自身を含む): 195302016

約数和(自身を除く): 114138558

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 53, 54, 69, 81, 106, 137, 138, 159, 162, 207, 243, 274, 318, 411, 414, 477, 486, 621, 822, 954, 1219, 1233, 1242, 1431, 1863, 2438, 2466, 2862, 3151, 3657, 3699, 3726, 4293, 5589, 6302, 7261, 7314, 7398, 8586, 9453, 10971, 11097, 11178, 12879, 14522, 18906, 21783, 21942, 22194, 25758, 28359, 32913, 33291, 43566, 56718, 65349, 65826, 66582, 85077, 98739, 130698, 167003, 170154, 196047, 197478, 255231, 296217, 334006, 392094, 501009, 510462, 588141, 592434, 765693, 1002018, 1176282, 1503027, 1531386, 1764423, 3006054, 3528846, 4509081, 9018162, 13527243, 27054486, 40581729, 81163458]

約数ペア:

[(1, 81163458), (2, 40581729), (3, 27054486), (6, 13527243), (9, 9018162), (18, 4509081), (23, 3528846), (27, 3006054), (46, 1764423), (53, 1531386), (54, 1503027), (69, 1176282), (81, 1002018), (106, 765693), (137, 592434), (138, 588141), (159, 510462), (162, 501009), (207, 392094), (243, 334006), (274, 296217), (318, 255231), (411, 197478), (414, 196047), (477, 170154), (486, 167003), (621, 130698), (822, 98739), (954, 85077), (1219, 66582), (1233, 65826), (1242, 65349), (1431, 56718), (1863, 43566), (2438, 33291), (2466, 32913), (2862, 28359), (3151, 25758), (3657, 22194), (3699, 21942), (3726, 21783), (4293, 18906), (5589, 14522), (6302, 12879), (7261, 11178), (7314, 11097), (7398, 10971), (8586, 9453)]