219312975

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{83}}^1\times {\mathrm{719}}^1$

素因数の和:829

約数の個数: 72

約数和(自身を含む): 427472640

約数和(自身を除く): 208159665

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 83, 105, 147, 175, 245, 249, 415, 525, 581, 719, 735, 1225, 1245, 1743, 2075, 2157, 2905, 3595, 3675, 4067, 5033, 6225, 8715, 10785, 12201, 14525, 15099, 17975, 20335, 25165, 35231, 43575, 53925, 59677, 61005, 75495, 101675, 105693, 125825, 176155, 179031, 298385, 305025, 377475, 417739, 528465, 880775, 895155, 1253217, 1491925, 2088695, 2642325, 2924173, 4475775, 6266085, 8772519, 10443475, 14620865, 31330425, 43862595, 73104325, 219312975]

約数ペア:

[(1, 219312975), (3, 73104325), (5, 43862595), (7, 31330425), (15, 14620865), (21, 10443475), (25, 8772519), (35, 6266085), (49, 4475775), (75, 2924173), (83, 2642325), (105, 2088695), (147, 1491925), (175, 1253217), (245, 895155), (249, 880775), (415, 528465), (525, 417739), (581, 377475), (719, 305025), (735, 298385), (1225, 179031), (1245, 176155), (1743, 125825), (2075, 105693), (2157, 101675), (2905, 75495), (3595, 61005), (3675, 59677), (4067, 53925), (5033, 43575), (6225, 35231), (8715, 25165), (10785, 20335), (12201, 17975), (14525, 15099)]