402903075

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{647}}^1$

素因数の和:721

約数の個数: 72

約数和(自身を含む): 734738688

約数和(自身を除く): 331835613

約数列:

[1, 3, 5, 15, 19, 23, 25, 57, 69, 75, 95, 115, 285, 345, 361, 437, 475, 575, 647, 1083, 1311, 1425, 1725, 1805, 1941, 2185, 3235, 5415, 6555, 8303, 9025, 9705, 10925, 12293, 14881, 16175, 24909, 27075, 32775, 36879, 41515, 44643, 48525, 61465, 74405, 124545, 184395, 207575, 223215, 233567, 282739, 307325, 372025, 622725, 700701, 848217, 921975, 1116075, 1167835, 1413695, 3503505, 4241085, 5372041, 5839175, 7068475, 16116123, 17517525, 21205425, 26860205, 80580615, 134301025, 402903075]

約数ペア:

[(1, 402903075), (3, 134301025), (5, 80580615), (15, 26860205), (19, 21205425), (23, 17517525), (25, 16116123), (57, 7068475), (69, 5839175), (75, 5372041), (95, 4241085), (115, 3503505), (285, 1413695), (345, 1167835), (361, 1116075), (437, 921975), (475, 848217), (575, 700701), (647, 622725), (1083, 372025), (1311, 307325), (1425, 282739), (1725, 233567), (1805, 223215), (1941, 207575), (2185, 184395), (3235, 124545), (5415, 74405), (6555, 61465), (8303, 48525), (9025, 44643), (9705, 41515), (10925, 36879), (12293, 32775), (14881, 27075), (16175, 24909)]