16386825

素因数分解:

$3^1\times 5^2\times 7^5\times {\mathrm{13}}^1$

素因数の和:61

約数の個数: 72

約数和(自身を含む): 34039488

約数和(自身を除く): 17652663

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 49, 65, 75, 91, 105, 147, 175, 195, 245, 273, 325, 343, 455, 525, 637, 735, 975, 1029, 1225, 1365, 1715, 1911, 2275, 2401, 3185, 3675, 4459, 5145, 6825, 7203, 8575, 9555, 12005, 13377, 15925, 16807, 22295, 25725, 31213, 36015, 47775, 50421, 60025, 66885, 84035, 93639, 111475, 156065, 180075, 218491, 252105, 334425, 420175, 468195, 655473, 780325, 1092455, 1260525, 2340975, 3277365, 5462275, 16386825]

約数ペア:

[(1, 16386825), (3, 5462275), (5, 3277365), (7, 2340975), (13, 1260525), (15, 1092455), (21, 780325), (25, 655473), (35, 468195), (39, 420175), (49, 334425), (65, 252105), (75, 218491), (91, 180075), (105, 156065), (147, 111475), (175, 93639), (195, 84035), (245, 66885), (273, 60025), (325, 50421), (343, 47775), (455, 36015), (525, 31213), (637, 25725), (735, 22295), (975, 16807), (1029, 15925), (1225, 13377), (1365, 12005), (1715, 9555), (1911, 8575), (2275, 7203), (2401, 6825), (3185, 5145), (3675, 4459)]