305973225

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{479}}^1$

素因数の和:679

約数の個数: 72

約数和(自身を含む): 584962560

約数和(自身を除く): 278989335

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 167, 225, 255, 425, 479, 501, 765, 835, 1275, 1437, 1503, 2395, 2505, 2839, 3825, 4175, 4311, 7185, 7515, 8143, 8517, 11975, 12525, 14195, 21555, 24429, 25551, 35925, 37575, 40715, 42585, 70975, 73287, 79993, 107775, 122145, 127755, 203575, 212925, 239979, 366435, 399965, 610725, 638775, 719937, 1199895, 1359881, 1832175, 1999825, 3599685, 4079643, 5999475, 6799405, 12238929, 17998425, 20398215, 33997025, 61194645, 101991075, 305973225]

約数ペア:

[(1, 305973225), (3, 101991075), (5, 61194645), (9, 33997025), (15, 20398215), (17, 17998425), (25, 12238929), (45, 6799405), (51, 5999475), (75, 4079643), (85, 3599685), (153, 1999825), (167, 1832175), (225, 1359881), (255, 1199895), (425, 719937), (479, 638775), (501, 610725), (765, 399965), (835, 366435), (1275, 239979), (1437, 212925), (1503, 203575), (2395, 127755), (2505, 122145), (2839, 107775), (3825, 79993), (4175, 73287), (4311, 70975), (7185, 42585), (7515, 40715), (8143, 37575), (8517, 35925), (11975, 25551), (12525, 24429), (14195, 21555)]