39915045

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:243

約数の個数: 64

約数和(自身を含む): 74638080

約数和(自身を除く): 34723035

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 61, 111, 131, 135, 183, 185, 305, 333, 393, 549, 555, 655, 915, 999, 1179, 1647, 1665, 1965, 2257, 2745, 3537, 4847, 4995, 5895, 6771, 7991, 8235, 11285, 14541, 17685, 20313, 23973, 24235, 33855, 39955, 43623, 60939, 71919, 72705, 101565, 119865, 130869, 215757, 218115, 295667, 304695, 359595, 654345, 887001, 1078785, 1478335, 2661003, 4435005, 7983009, 13305015, 39915045]

約数ペア:

[(1, 39915045), (3, 13305015), (5, 7983009), (9, 4435005), (15, 2661003), (27, 1478335), (37, 1078785), (45, 887001), (61, 654345), (111, 359595), (131, 304695), (135, 295667), (183, 218115), (185, 215757), (305, 130869), (333, 119865), (393, 101565), (549, 72705), (555, 71919), (655, 60939), (915, 43623), (999, 39955), (1179, 33855), (1647, 24235), (1665, 23973), (1965, 20313), (2257, 17685), (2745, 14541), (3537, 11285), (4847, 8235), (4995, 7991), (5895, 6771)]