66824775

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{349}}^1$

素因数の和:425

約数の個数: 72

約数和(自身を含む): 128637600

約数和(自身を除く): 61812825

約数列:

[1, 3, 5, 9, 15, 23, 25, 37, 45, 69, 75, 111, 115, 185, 207, 225, 333, 345, 349, 555, 575, 851, 925, 1035, 1047, 1665, 1725, 1745, 2553, 2775, 3141, 4255, 5175, 5235, 7659, 8027, 8325, 8725, 12765, 12913, 15705, 21275, 24081, 26175, 38295, 38739, 40135, 63825, 64565, 72243, 78525, 116217, 120405, 191475, 193695, 200675, 296999, 322825, 361215, 581085, 602025, 890997, 968475, 1484995, 1806075, 2672991, 2905425, 4454985, 7424975, 13364955, 22274925, 66824775]

約数ペア:

[(1, 66824775), (3, 22274925), (5, 13364955), (9, 7424975), (15, 4454985), (23, 2905425), (25, 2672991), (37, 1806075), (45, 1484995), (69, 968475), (75, 890997), (111, 602025), (115, 581085), (185, 361215), (207, 322825), (225, 296999), (333, 200675), (345, 193695), (349, 191475), (555, 120405), (575, 116217), (851, 78525), (925, 72243), (1035, 64565), (1047, 63825), (1665, 40135), (1725, 38739), (1745, 38295), (2553, 26175), (2775, 24081), (3141, 21275), (4255, 15705), (5175, 12913), (5235, 12765), (7659, 8725), (8027, 8325)]