7829775

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:145

約数の個数: 72

約数和(自身を含む): 15668640

約数和(自身を除く): 7838865

約数列:

[1, 3, 5, 9, 15, 17, 23, 25, 45, 51, 69, 75, 85, 89, 115, 153, 207, 225, 255, 267, 345, 391, 425, 445, 575, 765, 801, 1035, 1173, 1275, 1335, 1513, 1725, 1955, 2047, 2225, 3519, 3825, 4005, 4539, 5175, 5865, 6141, 6675, 7565, 9775, 10235, 13617, 17595, 18423, 20025, 22695, 29325, 30705, 34799, 37825, 51175, 68085, 87975, 92115, 104397, 113475, 153525, 173995, 313191, 340425, 460575, 521985, 869975, 1565955, 2609925, 7829775]

約数ペア:

[(1, 7829775), (3, 2609925), (5, 1565955), (9, 869975), (15, 521985), (17, 460575), (23, 340425), (25, 313191), (45, 173995), (51, 153525), (69, 113475), (75, 104397), (85, 92115), (89, 87975), (115, 68085), (153, 51175), (207, 37825), (225, 34799), (255, 30705), (267, 29325), (345, 22695), (391, 20025), (425, 18423), (445, 17595), (575, 13617), (765, 10235), (801, 9775), (1035, 7565), (1173, 6675), (1275, 6141), (1335, 5865), (1513, 5175), (1725, 4539), (1955, 4005), (2047, 3825), (2225, 3519)]